CVE-2026-46752
Received Received - Intake
Heap Overflow in Apache Kvrocks via cjson Library

Publication date: 2026-06-25

Last updated on: 2026-06-25

Assigner: Apache Software Foundation

Description
Redis Lua HEAP overflow in cjson library vulnerability in Apache Kvrocks. This issue affects Apache Kvrocks: from 2.0.4 through 2.15.0. Users are recommended to upgrade to version 2.16.0, which fixes the issue.
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Meta Information
Published
2026-06-25
Last Modified
2026-06-25
Generated
2026-06-25
AI Q&A
2026-06-25
EPSS Evaluated
N/A
NVD
CVE-2026-46752
EUVD
EUVD-2026-39332
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
apache kvrocks From 2.0.4 (inc) to 2.15.0 (inc)
apache kvrocks 2.16.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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Executive Summary

This vulnerability is a heap overflow issue in the Redis Lua cjson library within Apache Kvrocks. It affects versions from 2.0.4 through 2.15.0. A heap overflow occurs when more data is written to a buffer located in the heap than it can hold, potentially leading to memory corruption.

Impact Analysis

The vulnerability has a critical severity with a CVSS score of 10.0, indicating it can be exploited remotely without any privileges or user interaction. It can lead to severe consequences such as complete system compromise, data corruption, or denial of service due to the heap overflow in the cjson library.

Mitigation Strategies

Users are recommended to upgrade Apache Kvrocks to version 2.16.0, which fixes the Redis Lua HEAP overflow vulnerability in the cjson library.

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